Current Weather
5:42 AM
75°F
Partly cloudy
RealFeel® 79°
Pleasant
RealFeel®
79°
Wind
SSE 3 mph
Wind Gusts
8 mph
Humidity
84%
Indoor Humidity
84% (Very Humid)
Dew Point
70° F
Pressure
↓ 30.01 in
Cloud Cover
46%
Visibility
10 mi
Cloud Ceiling
40000 ft
Day
9/9
95°Hi
RealFeel®
103°
Very Hot
RealFeel Shade™
98°
Hot
Sunshine and very hot with the temperature approaching the record high of 98 set in 1955; a thunderstorm this afternoon; gusty winds can accompany any downpour
Max UV Index7.0 (High)
AccuLumen Brightness Index™9 (Very Bright)
WindWSW 8 mph
Wind Gusts14 mph
Probability of Precipitation61%
Probability of Thunderstorms37%
Precipitation0.23 in
Rain Amount0.23 in
Total Hours of Precipitation1
Total Hours of Rain1
Cloud Cover23%
Night
9/9
73°Lo
RealFeel®
74°
Pleasant
Warm and humid; an evening thunderstorm followed by periods of rain, some heavy, and a thunderstorm late; watch for flooding on streets and poor drainage areas
WindW 5 mph
Wind Gusts7 mph
Probability of Precipitation97%
Probability of Thunderstorms58%
Precipitation0.47 in
Rain Amount0.47 in
Total Hours of Precipitation4
Total Hours of Rain4
Cloud Cover82%
Sun & Moon
12 hrs 42 mins
Rise
6:36 AM
Set
7:18 PM
Waning Crescent
Rise
4:48 AM
Set
6:33 PM
Temperature History
9/9High
Low
Forecast
95°
73°
Average
85°
59°
Last Year
83°
48°
Record
98°
1955
44°
1986
Current Weather Conditions in O'Fallon
O'Fallon, Illinois is currently Partly cloudy with a temperature of 75°. The current RealFeel® Temperature is 79° (Pleasant) based on observed conditions including 84% humidity, 46% cloud cover, a UV index of 0, and winds of 3 mph. In shade, the RealFeel Shade™ is 79°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for O'Fallon, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.
